Here is the link to the playlist of videos that explain all of the math questions in the 2022 March SAT QAS.

## SAT math practice question: Percentage relationships

Try the following SAT math practice question (Calculator Permitted, Grid in question) that tests your understanding of percentage relationships involving algebraic variables.

If $n$ is a positive number, and $m\%$ of $2n$ is $8n$, then what is the value of $m$?

**Video Explanation**

## 2021 PSAT Wednesday Test: Video explanations posted

I just published the playlist of videos that explain all of the math questions in the 2021 PSAT Wednesday Test that was administered on 13th October 2021.

## SAT math practice question: Functions with word translation

Try the following SAT math practice question (No Calculator) that tests your understanding of translating word problems and to create relationships using functions.

**Question**(No Calculator):

The toll for a vehicle to cross a certain bridge is a total of $\$2$ for the first two passengers plus $\$2$ for each additional passenger. Which of the following functions gives the toll $T(n)$, in dollars, for a vehicle with $n$ passengers?

- $\quad T(n)=2n-2$
- $\quad T(n)=2n-1$
- $\quad T(n)=2n$
- $\quad T(n)=2n+2$

**Video Explanation**

## SAT math practice question: Quadratic equations with no solution

Try the following SAT math practice question (Calculator Permitted) that tests your understanding of quadratic equations that have no solutions.

**Question**(Calculator Permitted):

The quadratic equation $2x^2 – 3x + k=0$, where $k$ is a constant, will have no real solutions for which of the following values of $k$ ?

- $\quad \displaystyle \frac{7}{8}$
- $\quad 1$
- $\quad \displaystyle \frac{9}{8}$
- $\quad \displaystyle \frac{3}{2}$

**Video Explanation**

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